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US3391314A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and apparatus for treating a plastic film by electrical discharge

Assignee: EIDP Inc
•
Filing: 1964-11-18
•
Granted: 1968-07-02
•
Expires: 1984-11-18
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Abstract

No abstract record available.

Inventors

  • 👤 Elbert P Carter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:19
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; B29; B29C; B29C59/00; B29C59/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2167976A Cited
US2810933A Cited
US2882412A Cited
US2935418A Cited
US2881470A Cited
US2859481A Cited
US2802085A Cited
US2864755A Cited
US3100851A Cited
US3192385A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-07-02 1972-01-01 1972-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-07-02 1976-01-01 1976-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-07-02 1980-01-01 1980-07-02 $7700.00 Window Closed / Lapsed

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